TL;DR
This paper introduces a new framework for temporal quantum theories that models states and observables over extended spacetime regions, building on Isham's history theories and extending information entropy concepts.
Contribution
It presents a novel approach to temporal quantum theories, connecting them with existing history theories and generalizing entropy measures.
Findings
Framework for temporal quantum states and observables
Relation established between the new framework and Isham's history theories
Generalization of Isham-Linden information entropy
Abstract
We propose a framework for temporal quantum theories for the purpose of describing states and observables associated with extended regions of space time quantum mechanically. The proposal is motivated by Isham's history theories. We discuss its relation to Isham's history theories and to standard quantum mechanics. We generalize the Isham-Linden information entropy to the present context.
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